APA aipamena

Soars, J., & Soars, L. (1991). Headway - Pre-intermediate: Teacher's book. Oxford: Oxford University Press.

Chicago Style aipamena

Soars, John, và Liz Soars. Headway - Pre-intermediate: Teacher's Book. Oxford: Oxford University Press, 1991.

MLA aipamena

Soars, John, và Liz Soars. Headway - Pre-intermediate: Teacher's Book. Oxford: Oxford University Press, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.